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7-chloro-1-(p-methoxyphenyl)-furo<3,4-b>pyridine-3(1H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133929-13-2

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133929-13-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133929-13-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,9,2 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133929-13:
(8*1)+(7*3)+(6*3)+(5*9)+(4*2)+(3*9)+(2*1)+(1*3)=132
132 % 10 = 2
So 133929-13-2 is a valid CAS Registry Number.

133929-13-2Downstream Products

133929-13-2Relevant academic research and scientific papers

Application of organolithium and related reagents in synthesis. Part 9. Synthesis and metallation of 4-chloropicolin- and 2-chloroisonicotinanilides. A useful method for preparation of 2,3,4-trisubstituted pyridines

Epsztajn,Bieniek,Kowalska

, p. 1697 - 1706 (2007/10/02)

The synthesis and metallation (nBuLi) of 4-chloropicolin- and 2-chloroisonicotinanilides (1) and (2) as a way of regiospecific transformation of picolinic and isonicotinic acids into 2,3,4-trisubstituted pyridines (9) and (10), is described. The anilide moiety (masking group) of the formed C3-substituted chloro-anilides (9) and (10) appeared to be effectively removable on acid hydrolysis.

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